Facts
- Overview
- Concrete arch bridge over Nathanson Creek on 4th Street East in Sonoma
- Location
- Sonoma County, California
- Status
- Open to traffic
- History
- Built 1914
- Design
- Arch
- Dimensions
-
Length of largest span: 29.9 ft.
Total length: 35.1 ft.
Deck width: 21.7 ft.
- Approximate latitude, longitude
- +38.29278, -122.44889 (decimal degrees)
38°17'34" N, 122°26'56" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 10/548193/4238443 (zone/easting/northing)
- USGS topographic map
- Sonoma
- Inventory numbers
- CA 20C-495 (California bridge number)
BH 11623 (Bridgehunter.com ID) - Inspection (as of 06/2006)
- Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 59.1 (out of 100) - Average daily traffic (as of 1990)
- 2,000